raftstore/store: unified log format (#4177)
raftstore/store: unified log format (#4177)

Signed-off-by: Neil Shen <cce998fdf3749d1bb26a297634a107d1dc0875fa@gmail.com>

BusyJay/tikv,BusyJay/tikv,pingcap/tikv,pingcap/tikv,c4pt0r/tikv,BusyJay/tikv,BusyJay/tikv